Comparison
Hair/Skin/Nails and Extra Strength Hair, Skin & Nails
Hair/Skin/Nails (Vitamin World) lists 8 distinct ingredients and Extra Strength Hair, Skin & Nails (Nature's Bounty Optimal Solutions) 22 (rows of one ingredient counted once); 8 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.47.
| Ingredient | Hair/Skin/Nails | Extra Strength Hair, Skin & Nails |
|---|---|---|
| Vitamin C | 30 mg (33%) | 60 mg (67%) |
| Zinc | 3 mg (27%) | 7.5 mg (68%) |
| Vitamin A | 500 IU | 1.5 mg |
| Biotin | 5,000 mcg (16667%) | 5,000 mcg (16667%) |
| Collagen | 0.1 g | 0.05 g |
| Hyaluronic acid | 10 mg | 30 mg |
| Horsetail | 25 mg | 3 mg |
| Argan nut oil | 50 mg | 25 mg |
| Vitamin B6 | 5 mg (294%) | |
| Vitamin B12 | 8 mcg (333%) | |
| Fat (unspecified) | 1 g | |
| Niacin | 25 mg (156%) | |
| Vitamin E | 10 mg (67%) | |
| Folate | 333 mcg DFE (83%) | |
| Pantothenic Acid (Vitamin B5) | 4 mg (80%) | |
| Riboflavin | 5 mg (385%) | |
| Thiamin | 3 mg (250%) | |
| Iron | 3 mg (17%) | |
| Selenium | 12.5 mcg (23%) | |
| Manganese | 5 mg (217%) | |
| Alpha Lipoic Acid | 10 mg | |
| PABA | 10 mg |
Amounts are per serving as DSLD gives them: Hair/Skin/Nails, 1 softgel; Extra Strength Hair, Skin & Nails, 3 softgels. Current labels entered November 2016 and March 2023. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Hair/Skin/NailsVitamin World: every row against all products listing it
- Extra Strength Hair, Skin & NailsNature's Bounty Optimal Solutions: every row against all products listing it